V-Lab
Tianjin Cap Envmntl Protn Spline ILLIQ Liquidity Analysis
Illiquidity prediction for Monday, August 24th, 2026
1 Day
5,719.16
increased by 74.63
1 Week
5,720.43
increased by 75.90
1 Month
6,400.62
increased by 756.09
Analysis last updated: Saturday, August 22, 2026 at 08:55 PM UTC
News Impact Curve
How returns affect tomorrow's illiquidityIlliquidity Forecast
How illiquidity evolves over timeParameter Estimates
Jan 2, 2007 to Aug 21, 2026Model Insight
This model fits a time-varying baseline (a spline), so illiquidity mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 32 trading days.
μ
ILLIQ-SMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.9284 | 2.18** |
α ARCH Response to squared shocks | 0.0682 | 2.48** |
β GARCH Volatility persistence | 0.9107 | 22.11*** |
Spline Coefficients
K=10
| γ1 | 0.2335 | 0.30 |
| γ2 | -0.9546 | -0.79 |
| γ3 | 1.0669 | 1.65* |
| γ4 | -0.0924 | -0.23 |
| γ5 | -0.3952 | -1.20 |
| γ6 | 0.6365 | 2.34** |
| γ7 | -1.0184 | -3.66*** |
| γ8 | 0.9971 | 3.32*** |
| γ9 | -1.3774 | -3.27*** |
| γ10 | 1.6528 | 2.68*** |
Persistence:
0.979
Half-life:
32 days
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